Senior AI Engineer II – Agentic AI As a Senior AI Engineer II – Agentic AI, you will build production‑grade agentic systems that operate on real financial data, serve real customers, and meet regulatory requirements. You will shape solutions with product and design, ship production code, and own the systems after launch, focusing on LLM‑powered product features, agentic automation of financial workflows, and internal AI capabilities. Responsibilities Design, build, and ship LLM‑powered and agentic product features that change how customers manage their finances. Build agentic AI systems that reason over context, invoke tools, take real actions, and recover gracefully from failure. Architect and implement production‑grade RAG pipelines over sensitive financial data with strict requirements for correctness, auditability, and safety. Contribute to shared AI infrastructure, including LLM services, agent orchestration frameworks, and evaluation and monitoring tooling, to scale agentic development across Amex Technology. Own the systems in production, including reliability, latency, cost, and failure modes. Work closely with product and design partners to prioritize customer outcomes over purely technical execution. Technical Environment Candidates should be comfortable in a modern, enterprise‑scale environment with a strong emphasis on agentic AI. Core Engineering Stack Languages: Python, Go, TypeScript. Cloud & infrastructure: AWS and/or GCP, Kubernetes. APIs & services: REST, gRPC. Distributed systems: event‑driven architectures, including Kafka. Agentic AI & ML Commercial and open‑source LLMs integrated into agentic workflows. Tooling for agent orchestration, retrieval‑augmented generation, vector storage, and evaluation. Strong schema, validation, and state management practices. AI‑Assisted Development Fluency with AI‑assisted and agentic development workflows for design, implementation, testing, debugging, and refactoring. Thoughtful use of these tools while maintaining production‑quality engineering standards. Build systems to meet high standards for reliability, security, and auditability in a financial services environment. Qualifications Required 8+ years of software engineering experience, including meaningful production experience with LLMs or applied ML systems. Track record of shipping AI‑powered or agentic systems that real users depend on. Strong engineering fundamentals across backend systems, APIs, data pipelines, and cloud infrastructure. Hands‑on experience with modern LLM tooling and agentic patterns and architectures. Fluency with AI‑assisted and agentic development workflows. Strong sense of ownership and sound technical judgment. Comfort turning ambiguity into shipped reliable product. Strong product mindset and customer orientation. Preferred Experience building agentic systems in fintech or other regulated industries. Experience as a founding engineer or early technical contributor in high‑growth environments. Demonstrated ability to ship technically complex systems in regulated contexts that customers actively rely on. Meaningful open‑source contributions, particularly in AI or developer tooling. Benefits Competitive base salaries. Bonus incentives. Support for financial well‑being and retirement. Comprehensive medical, dental, vision, life insurance, and disability benefits (depending on location). Flexible working model with hybrid, onsite or virtual arrangements depending on role. Generous paid parental leave policies (depending on location). Free access to global on‑site wellness centers staffed with nurses and doctors (depending on location). Free and confidential counseling support through our Healthy Minds program. Career development and training opportunities. Equal Opportunity Employer American Express is committed to providing an inclusive and accessible work environment in which all people who apply for positions or who work for or on behalf of Amex are treated with dignity and respect and are provided with equal treatment with respect to employment, regardless of that person's age, sex, sexual orientation, gender identity, gender expression, race, colour, ancestry, ethnic or national origin, citizenship, religion or creed, marital status, family status, pregnancy, disability, record of offences, social condition or origin, political beliefs, association or activity or other factors prohibited under applicable Human Rights legislation (the “Prohibited Grounds”). If you have a disability and need accommodation, please speak with the Recruiter for more information. Offer of employment with American Express is conditioned upon the successful completion of a background verification check, subject to applicable laws and regulations. #J-18808-Ljbffr